CH345392A - Cathode body for an electric discharge tube - Google Patents

Cathode body for an electric discharge tube

Info

Publication number
CH345392A
CH345392A CH345392DA CH345392A CH 345392 A CH345392 A CH 345392A CH 345392D A CH345392D A CH 345392DA CH 345392 A CH345392 A CH 345392A
Authority
CH
Switzerland
Prior art keywords
electric discharge
discharge tube
cathode body
cathode
tube
Prior art date
Application number
Other languages
German (de)
Inventor
Paul Coppola Patrick
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH345392A publication Critical patent/CH345392A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
CH345392D 1953-11-18 1954-11-16 Cathode body for an electric discharge tube CH345392A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US345392XA 1953-11-18 1953-11-18

Publications (1)

Publication Number Publication Date
CH345392A true CH345392A (en) 1960-03-31

Family

ID=21877047

Family Applications (1)

Application Number Title Priority Date Filing Date
CH345392D CH345392A (en) 1953-11-18 1954-11-16 Cathode body for an electric discharge tube

Country Status (7)

Country Link
US (1) US2899592A (en)
BE (1) BE533455A (en)
CH (1) CH345392A (en)
DE (1) DE1043519B (en)
FR (1) FR1113555A (en)
GB (1) GB777142A (en)
NL (1) NL97571C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL261666A (en) * 1960-02-25
US3558966A (en) * 1967-03-01 1971-01-26 Semicon Associates Inc Directly heated dispenser cathode
US3693007A (en) * 1970-05-25 1972-09-19 Egyesuelt Izzolampa Oxide cathode for an electric discharge device
US4417173A (en) * 1980-12-09 1983-11-22 E M I-Varian Limited Thermionic electron emitters and methods of making them

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1954474A (en) * 1927-05-20 1934-04-10 Espe Werner Glow cathode
US2085605A (en) * 1934-05-11 1937-06-29 Gen Electric Thermionic cathode for electric discharge devices
US2121589A (en) * 1934-06-28 1938-06-21 Westinghouse Electric & Mfg Co Emissive incandescent cathode
DE707255C (en) * 1936-09-21 1941-06-17 Siemens Schuckertwerke Akt Ges High-performance glow cathode, especially for gas or vapor-filled discharge vessels
US2147447A (en) * 1936-09-21 1939-02-14 Siemens Ag Glow cathode
US2180988A (en) * 1937-06-16 1939-11-21 Gen Electric Electrode for electric discharge devices
US2389060A (en) * 1943-08-13 1945-11-13 Callite Tungsten Corp Refractory body of high electronic emission
US2473550A (en) * 1947-08-19 1949-06-21 Raytheon Mfg Co Directly heated cathode
BE486002A (en) * 1947-11-26
BE498869A (en) * 1949-10-25
US2741717A (en) * 1951-06-14 1956-04-10 Siemens Ag Dispenser type cathode having gettercoated parts
DE895479C (en) * 1951-11-20 1953-11-02 Siemens Ag Cathode for electrical discharge vessels
NL91131C (en) * 1951-11-29
NL91132C (en) * 1951-11-29
BE517981A (en) * 1952-02-27

Also Published As

Publication number Publication date
GB777142A (en) 1957-06-19
DE1043519B (en) 1958-11-13
NL97571C (en)
US2899592A (en) 1959-08-11
BE533455A (en)
FR1113555A (en) 1956-03-30

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